Ko Samui weather in July 2021

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  • 31°C maximum daytime temperature in July in Ko Samui31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in July in Ko Samui17
    17 days with some rainfall
  • 24°C minimum night-time temperature in July in Ko Samui24
    24°C min night temperature
  • 13 hours of daylight per day in July in Ko Samui13
    13 hours of daylight per day
  • Very high heat & humidity in July in Ko SamuiVH
    Very High heat & humidity
  • 146 mm monthly rainfall in July in Ko Samui146
    146 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Ko Samui11
    11+ (Extreme) UV index
  • 29°C sea temperature in July in Ko Samui29
    29°C sea temperature

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The July weather guide for Ko Samui, Thailand shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How hot is it in Ko Samui in July?

Daytime temperatures usually reach 31°C in Ko Samui in July with very high heat and humidity, falling to 24°C at night.

How sunny is it in Ko Samui in July?

There are normally 6 hours of bright sunshine each day in Ko Samui in July - that's 48% of daylight hours.

How warm is the sea around Ko Samui in July?

The average sea temperature around Ko Samui in July is 29°C.

Does it rain in Ko Samui in July?

There are usually 17 days with some rain in Ko Samui in July and the average monthly rainfall is 146mm.

Ko Samui sunrise & sunset times for July 2021

Browse the sunrise & sunset times for Ko Samui in July 2021. Select a month to view Ko Samui sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st July 2021 06:03 18:44
Friday, 16th July 2021 06:07 18:45
Saturday, 31st July 2021 06:10 18:42
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Thailand in July for 2021/2022?

Below are average maximum temperatures at popular destinations in Thailand in July. Select a destination to see more weather parameters.

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